Home | History | Annotate | Download | only in DataFlowSanitizer
      1 ; RUN: opt < %s -dfsan -verify -dfsan-args-abi -S | FileCheck %s
      2 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
      3 
      4 ; CHECK-LABEL: @"dfs$unreachable_bb1"
      5 define i8 @unreachable_bb1() {
      6   ; CHECK: ret { i8, i16 } { i8 1, i16 0 }
      7   ; CHECK-NOT: bb2:
      8   ; CHECK-NOT: bb3:
      9   ; CHECK-NOT: bb4:
     10   ret i8 1
     11 
     12 bb2:
     13   ret i8 2
     14 
     15 bb3:
     16   br label %bb4
     17 
     18 bb4:
     19   br label %bb3
     20 }
     21 
     22 declare void @abort() noreturn
     23 
     24 ; CHECK-LABEL: @"dfs$unreachable_bb2"
     25 define i8 @unreachable_bb2() {
     26   call void @abort() noreturn
     27   ; CHECK-NOT: i8 12
     28   ; CHECK: unreachable
     29   ret i8 12
     30 }
     31